给我一个housing.csv

housing.csv是一个公开的数据集，您可以在网上下载到。以下是一个housing.csv文件的示例，仅供参考：

CRIM,ZN,INDUS,CHAS,NOX,RM,AGE,DIS,RAD,TAX,PTRATIO,B,LSTAT,MEDV
0.00632,18.0,2.31,0,0.538,6.575,65.2,4.09,1,296,15.3,396.9,4.98,24.0
0.02731,0.0,7.07,0,0.469,6.421,78.9,4.9671,2,242,17.8,396.9,9.14,21.6
0.02729,0.0,7.07,0,0.469,7.185,61.1,4.9671,2,242,17.8,392.83,4.03,34.7
0.03237,0.0,2.18,0,0.458,6.998,45.8,6.0622,3,222,18.7,394.63,2.94,33.4
0.06905,0.0,2.18,0,0.458,7.147,54.2,6.0622,3,222,18.7,396.9,5.33,36.2
0.02985,0.0,2.18,0,0.458,6.43,58.7,6.0622,3,222,18.7,394.12,5.21,28.7
0.08829,12.5,7.87,0,0.524,6.012,66.6,5.5605,5,311,15.2,395.6,12.43,22.9
0.14455,12.5,7.87,0,0.524,6.172,96.1,5.9505,5,311,15.2,396.9,19.15,27.1
0.21124,12.5,7.87,0,0.524,5.631,100.0,6.0821,5,311,15.2,386.63,29.93,16.5
0.17004,12.5,7.87,0,0.524,6.004,85.9,6.5921,5,311,15.2,386.71,17.1,18.9
0.22489,12.5,7.87,0,0.524,6.377,94.3,6.3467,5,311,15.2,392.52,20.45,15.0
0.11747,12.5,7.87,0,0.524,6.009,82.9,6.2267,5,311,15.2,396.9,13.27,18.9
0.09378,12.5,7.87,0,0.524,5.889,39.0,5.4509,5,311,15.2,390.5,15.71,21.7
0.62976,0.0,8.14,0,0.538,5.949,61.8,4.7075,4,307,21.0,396.9,8.26,20.4
0.63796,0.0,8.14,0,0.538,6.096,84.5,4.4619,4,307,21.0,380.02,10.26,18.2
0.62739,0.0,8.14,0,0.538,5.834,56.5,4.4986,4,307,21.0,395.62,8.47,19.9
1.05393,0.0,8.14,0,0.538,5.935,29.3,4.4986,4,307,21.0,386.85,6.58,23.1
0.7842,0.0,8.14,0,0.538,5.99,81.7,4.2579,4,307,21.0,386.75,14.67,17.5
0.80271,0.0,8.14,0,0.538,5.456,36.6,3.7965,4,307,21.0,288.99,11.69,20.2
0.7258,0.0,8.14,0,0.538,5.727,69.5,3.7965,4,307,21.0,390.95,11.28,18.2
0.52338,0.0,6.2,0,0.507,6.095,65.1,3.9454,8,307,17.4,395.38,3.11,41.7
0.87179,0.0,6.2,0,0.507,6.122,52.8,4.0029,8,307,17.4,396.9,5.52,22.8
0.88125,0.0,21.89,0,0.624,5.637,94.7,1.9799,4,437,21.2,396.9,18.34,14.3

其中，每一行代表一个房屋的属性，包括：

- CRIM：城镇人均犯罪率
- ZN：占地面积超过 25,000 平方英尺的住宅用地比例
- INDUS：城镇中非零售业商业用地比例
- CHAS：边界位于 Charles River 的情况，如果是则为 1，否则为 0
- NOX：环保指数
- RM：每栋住宅的平均房间数
- AGE：1940 年以前建成的自用房屋比例
- DIS：到波士顿五个就业中心的加权距离
- RAD：距离辐射性公路的便利指数
- TAX：每 10,000 美元的全额财产税率
- PTRATIO：城镇中学生与教师的比例
- B：黑人比例
- LSTAT：人口中地位低下者的比例
- MEDV：自用房屋房价中位数